{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["person", "geographical phenomenon", "time", "disease", "animal", "astronomical object"], "input": "Early conditions were abysmal with frequent bouts of fevers , attributed to malaria from the flooding rivers , and an outbreak of cholera in 1833 ."}
{"person": [], "geographical phenomenon": [], "time": [], "disease": ["cholera"], "animal": [], "astronomical object": []}